1105344043 has 4 divisors (see below), whose sum is σ = 1106085888. Its totient is φ = 1104602200.

The previous prime is 1105344041. The next prime is 1105344047. The reversal of 1105344043 is 3404435011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3404435011 = 17 ⋅200260883.

It is a cyclic number.

It is not a de Polignac number, because 1105344043 - 2¹ = 1105344041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1105343999 and 1105344017.

It is not an unprimeable number, because it can be changed into a prime (1105344041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368683 + ... + 371668.

It is an arithmetic number, because the mean of its divisors is an integer number (276521472).

Almost surely, 2^1105344043 is an apocalyptic number.

1105344043 is a deficient number, since it is larger than the sum of its proper divisors (741845).

1105344043 is an equidigital number, since it uses as much as digits as its factorization.

1105344043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741844.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1105344043 is about 33246.7147700340. The cubic root of 1105344043 is about 1033.9490972202.

Adding to 1105344043 its reverse (3404435011), we get a palindrome (4509779054).

The spelling of 1105344043 in words is "one billion, one hundred five million, three hundred forty-four thousand, forty-three".